Secondly, the least length of pretensioned prestressed concrete slab is defined to make the full use of steel strand strength and avoid flexural crack occurs within the development length.
其次为使构件破坏时充分发挥预应力钢绞线的强度，防止弯曲裂缝出现在延伸长度之内，提出了先张预应力混凝土板在均布荷载作用下的最小板长。
We get the CFRC can increase the flexural rigidity, reduce the size and number of the crack, increase the bearing capacity.
可以得出采用碳纤维布加固的钢筋混凝土梁能有效提高抗弯刚度，减小裂缝尺寸及数量，提高承载力。
Based on the experiments of the 12 SRC flexural members, the stiffness, crack width and ultimate bending strength of the SRC beams are analysed.
本文以12个型钢钢筋混凝土(以下简称SRC)梁受弯试验为基础，对SRC梁的刚度、裂缝宽度和受弯承载力进行试验研究和理论分析。
The flexural strength, first crack strength, modulus of elasticity and flexural toughness of high-strength lightweight fiber-reinforced concrete were investigated.
对轻骨料高强度钢纤维混凝土的抗压强度、初裂强度、弯曲强度、弹性模量和弯曲韧性指数等主要力学指标进行了试验研究。
Then, a study on the accuracy of these formulas for calculating crack width is made on the basis of the existing test date obtained from flexural members.
此外，根据国内外大量的受弯构件裂缝宽度试验数据，对这些裂缝宽度计算公式的精度进行了计算和比较研究。
Based on meeting the requirements of flexural strength, the effects made by ratio of longitudinal reinforcement on deflection and maximum value of crack width are analyzed.
在满足正截面承载力要求的基础上，分析了纵向配筋率的变化对挠度及最大裂缝宽度的影响。
Through the load-deflection curves of SFRC, the effects of fiber kinds and fiber content on the first-crack strength and the flexural toughness of SFRC were contrasted with those of concrete.
借助弯曲荷载-挠度全曲线，分析了纤维掺量和类型对韧性指数和初裂荷载的影响。结果表明，钢纤维混凝土的抗弯初裂强度、极限强度和弯曲韧性均随纤维掺量的增大而提高。
The test results confirm that ferrocement contributes greatly to the increase of flexural resistance capacity, raises crack-resisting capacity and improves the bending stiffness of RC beams.
试验结果表明，钢丝网复合砂浆薄层可以明显地提高钢筋混凝土梁的抗弯承载力，提高抗裂性能，增强构件的抗弯刚度。
The test results confirm that ferrocement contributes greatly to the increase of flexural resistance capacity, raises crack-resisting capacity and improves the bending stiffness of RC beams.
试验结果表明，钢丝网复合砂浆薄层可以明显地提高钢筋混凝土梁的抗弯承载力，提高抗裂性能，增强构件的抗弯刚度。
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